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a_sh-v [17]
2 years ago
8

Debra has a stack of nickels and dimes.

Mathematics
1 answer:
Aloiza [94]2 years ago
6 0
No no. no no n on o n in o n o b o n
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the admission fee for a charity event is $7 for children and $10 for adults the event was attended by 700 people on the total am
9966 [12]

Answer:

there were 200 children and 500 adults at the show

Step-by-step explanation:

7x+10y=6400

x+y=700

x=700-y

7(700-y)+10y=6400

4900-7y+10y=6400

-7y+10y=1500

3y=1500

y=500

x=700-y

x=700-500

x=200

3 0
1 year ago
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5/6k=-20 what is the correct answer ??
damaskus [11]
<span>5/6k=-20

k=-24

Hope this helps
</span>
4 0
3 years ago
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Raphael graphed the system of equations shown. y = – 3 y = x – 0.8 What is the best approximation for the solution to this syste
Ber [7]
Given ---›

y = -3

&

y = x - 0.8

So,
=> x = y + 0.8

=> x = -3 + 0.8

=> x = -2.2

Therefore, the best approximation for the solution to this system of equations is = (–2.2, –3)
3 0
3 years ago
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Please help fast will give brainliest
BaLLatris [955]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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Please help! ! Timed !******
lord [1]

Answer:

(fоg)(x) =  x

Step-by-step explanation:

f(x) = (x-1)/3

g(x)=3x+1

(fоg)(x) = f(g(x)) = ((3x+1)-1) / 3 = 3x / 3 = x

3 0
3 years ago
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